Home / 19,403.56-29,103.94-6,922.18

Finding the Fourth Proportional to 19,403.56, 29,103.94 and 6,922.18

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Solution

The fourth proportional to 19,403.56, 29,103.94 and 6,922.18 is: 10,382.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.56 : 29,103.94 = 6,922.18 : x
  2. Step 2: Convert to fraction form
    19,403.56/29,103.94 = 6,922.18/x
  3. Step 3: Cross multiply
    19,403.56x = 29,103.94 × 6,922.18
  4. Step 4: Simplify right side
    19,403.56x = 201,462,711.39
  5. Step 5: Solve for x
    x = 201,462,711.39/19,403.56
  6. Step 6: Final answer
    x = 10,382.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.